RUMFORD FUND. 



369 



185. Percy W. Bridgman. Thermal phenomena at 



high pressures. (Additional to 176.) .... $400 



186. Arthur L. CUirk. Physical properties of vapors 



near critical point. (Additional to 159.) . . . 300 



187. Gilbert N. Lewis. Free energy. (Additional to 



168.) 300 



1916. 188. Harrison M. Randall. Infra-red spectrum. (For 



salary of assistant.) 200 



189. Raymond T. Birge. For purchase of comparator. 



(Additional to 184.) 175 



190. Louis V. King. ^Molecular constants of gases 



from 25° K to 1273° K. (Research discontinued, 

 appropriation returned.) 250 



191. Frederic Palmer, Jr. Light of extremely short 



wave length. (Additional to 178.) .... 100 



192. Robert A. Millikan. Photo-electric properties of 



metals in extreme vacua 500 



193. John A. Parkhurst. Photometric scale of stellar 



magnitudes 300 



194. Everett T. King. Color of pigments .... 25 



195. Edward Kremers. Chemical action of light on 



organic compounds 300 



1917. 196. Floyd K. Richtmyer. Optical properties of thin, 



films . . . ." 500 



197. Norton A. Kent. Spectral lines. (Additional to 



161.) 400 



198. Ancel St. John. Spectra of X-rays 200 



199. David L. ^Yebster. Intensity of lines in X-ray 



spectra. (For payment of assistant.) . . . 100 



200. Frederic Palmer, Jr. Light of very short wave 



length. (Additional to 191.) 100 



201. Bartholomew J. Spence. Color intensity photom- 



eter 75 



202. Bartholomew J. Spence. New form of radiom- 



eter 150 



203. Roswell C. Gibbs. Absorption of organic and 



other solutions for ultra-violet, visible and 

 infra-red rays 500 



204. Wesley ]M. Baldwin. Sensitization of animal 



tissues for X-rays by chemical means .... 125 



205. Raymond T. Birge. Structure of series spectra. 



(Additional to 189.) 150 



